CN202007211U - Raw rubber low molecule removal device - Google Patents
Raw rubber low molecule removal device Download PDFInfo
- Publication number
- CN202007211U CN202007211U CN2011200346251U CN201120034625U CN202007211U CN 202007211 U CN202007211 U CN 202007211U CN 2011200346251 U CN2011200346251 U CN 2011200346251U CN 201120034625 U CN201120034625 U CN 201120034625U CN 202007211 U CN202007211 U CN 202007211U
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- China
- Prior art keywords
- overhead guard
- preheater
- main kettle
- tubulation
- kettle
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- Expired - Fee Related
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Abstract
The utility model relates to a raw rubber low molecule removal device, which comprises a low molecule removal kettle, a tube array preheater and a porous board. The low molecule removal kettle comprises a kettle body, a top cover, two evacuation joints, a feed valve, a discharge valve and jacket plates. The jacket plates and the kettle body form a jacket. The top cover is fixedly connected to the kettle body from the top, the two evacuation joints are hermetically fixed to the kettle body and arranged at corresponding openings at the top of the kettle body, the feed valve is hermetically and fixedly connected to the top cover from the top, the discharge valve is fixedly connected to the kettle body 11 from the bottom, the tube array preheater is disposed in the top cover of the low molecule removal kettle and arranged in the middle of the top cover, a vertically through raw rubber passage is arranged in the tube array preheater, the porous board is disposed in the top cover of the low molecule removal kettle and arranged below the tube array preheater, small through holes are densely distributed on the porous board in a vertical manner, and the upper portion of each through hole is in the shape of a cone frustum and the lower portion of each through hole is cylindrical. The raw rubber low molecule removal device is fine in low molecule removal effect, remains less rigid rubber, and is high in production efficiency.
Description
Technical field
The utility model relates to a kind of device that removes contained low molecule line style methylvinyl-polysiloxane in the raw-silastic continuously.
Background technology
Silicon rubber has excellent electric insulating, oxytolerant resistance to deterioration, fast light resistance to deterioration and mildew resistance, chemical stability etc., and it is tasteless nontoxic, can be high temperature resistant and low temperature resistant, be widely used in polymer industrial circle fields such as rubber, plastics, coating, tackiness agent, seal gum, and in medical field, also play an important role.
In the preparation process of silicon rubber, low-molecular-weight line style methylvinyl-polysiloxane contained in the rubber can make rubber not reach needed elasticity, so remove the low-molecular-weight line style methylvinyl-polysiloxane in the rubber, be one of critical process of preparation silastic product.Common removes the low molecular device of rubber because vacuum and malleation are changed, and collodion silk adheres on the still wall easily, accumulates over a long period, and forms dead glue under long term high temperature, and dead glue can influence heat transfer, and influence removes low molecule effect.Dead glue is in case form, and system must unpick and wash immediately, needs the time (needing for 1 week usually) and both unpick and wash, also can contaminated material, waste many, cost is high.Common in addition rubber removes low molecular device and adopts the steam coils heating, and temperature can change along with the variation of vapor pressure, rely on fast and the frequent adjustment valve comes controlled temperature, the temperature fluctuation instability is bigger to removing low molecule influential effect.
Summary of the invention
The purpose of this utility model provides that a kind of to remove low molecule effective, and dead glue is less, the production efficiency height, and the rubber of good stability removes low molecular device.
The technical scheme that realizes the utility model purpose is that a kind of rubber removes low molecular device and comprises and take off low still, tubulation preheater and card;
Take off that low still comprises main kettle, overhead guard, vacuumizes mouthpiece, feed valve, bleeder valve and chuck plate; The common chuck that constitutes of chuck plate and main kettle; The middle and upper part of main kettle is a cylindrical shell, and the bottom of main kettle is the inverted cone housing; The top of overhead guard is the segment housing, and the bottom of overhead guard is a cylindrical shell; The diameter of the middle and lower part of overhead guard is less than the diameter of the middle and upper part of main kettle; Overhead guard is connected on the main kettle from upper fixed, and is positioned at the center of top opening part of main kettle; Vacuumizing mouthpiece has 2, airtight respectively being fixed on the main kettle, and be positioned at the corresponding opening part at the top of main kettle; Feed valve is airtight being fixedly connected on the overhead guard from the top, and be positioned at the aperture position place of the center of top of overhead guard; Bleeder valve is fixedly connected on the main kettle 11 from the below, and is positioned at the aperture position place of the bottom of main kettle;
The tubulation preheater is arranged in the cylindrical shell of the overhead guard that takes off low still; The tubulation preheater is provided with the rubber passage of up/down perforation;
Card is arranged in the cylindrical shell of the overhead guard that takes off low still, and is positioned at the below of tubulation preheater; The tiny through hole of densely covered upward and downward on the card; The top of each through hole is reverse frustoconic, and the bottom is cylindrical.
Above-mentionedly take off low still and also comprise and show mirror; Show that mirror is arranged on the middle part of main kettle.
Above-mentioned tubulation preheater comprises preheater hot oil inlet pipe, preheater hot oil outlet pipe, tubulation and 2 tube sheets; 2 tube sheets are called upper tubesheet and lower tubesheet by residing upper-lower position difference; The upper end of each single tube of tubulation is all airtight to be fixedly connected on the plate body at a corresponding pore place of upper tubesheet, the lower end of each single tube of tubulation is all airtight to be fixedly connected on the plate body at a corresponding pore place of lower tubesheet, and upper tubesheet and lower tubesheet be airtight to be fixedly connected on the inwall of cylindrical shell of overhead guard; The aperture position of preheater hot oil inlet pipe bottom of the airtight cylindrical shell that is fixed on overhead guard from the outside be positioned at the top of lower tubesheet, and preheater hot oil inlet pipe communicates with the inner chamber of overhead guard; The aperture position on preheater hot oil outlet pipe top of the airtight cylindrical shell that is fixed on overhead guard from the outside be positioned at the below of upper tubesheet, and preheater hot oil outlet pipe communicates with the inner chamber of overhead guard; The inner chamber of each single tube of tubulation is the rubber passage.
Above-mentioned chuck is enclosed in by the chuck plate on the lateral outer of middle and upper part housing of main kettle, and is fixedly connected on the outer wall of main kettle by the plate end of the inside bending of its upper and lower ends, thereby forms an air casing and constitute between main kettle and chuck plate; The bottom, side of chuck is provided with the hot oil inlet pipe, and the top, side of chuck is provided with the hot oil outlet pipe.
The aperture of the bottom of the through hole of above-mentioned card is 0.8 to 1.5 millimeter.
The utlity model has positive effect:
(1) rubber of the present utility model removes low molecular device increases the stroke of the length of kettle with prolongation collodion silk whereabouts, can fully remove low molecule; The width that increases kettle avoids forming dead glue to increase the spacing of collodion silk and still wall.This device production stability is good, the efficient height, and maintenance cost is cheap.
(2) rubber of the present utility model removes low molecular device and adopts the logical deep fat heating of jacketed type, and uniform and stable compared with the steam coils Heating temperature, rate of heating is fast, is easy to control.
Description of drawings
Fig. 1 removes a kind of structural representation of low molecular device for rubber of the present utility model.
Fig. 2 is the sectional view at the overhead guard place of taking off low still among Fig. 1.
Fig. 3 is wherein the structural representation of tubulation preheater when observing from the top of Fig. 2.
Fig. 4 is the structural representation during wherein card when observing from the top of Fig. 2.
Fig. 5 be Fig. 4 A-A to local amplification view.
The title of the technical characterictic that the mark of above-mentioned accompanying drawing is represented is as follows:
Take off low still 1, main kettle 11, overhead guard 12 vacuumizes mouthpiece 13, feed valve 14, bleeder valve 15 shows mirror 16, chuck 17, hot oil inlet pipe 17-1, hot oil outlet pipe 17-2, chuck plate 18,
Tubulation preheater 2, rubber passage 21, preheater hot oil inlet pipe 22, preheater hot oil outlet pipe 23, tubulation 24, upper tubesheet 25, lower tubesheet 26,
Embodiment
(embodiment 1)
See Fig. 1, the rubber of present embodiment removes low molecular device and comprises and take off low still 1, tubulation preheater 2 and card 3.
Take off that low still 1 comprises main kettle 11, overhead guard 12, vacuumizes mouthpiece 13, feed valve 14, bleeder valve 15, show mirror 16 and chuck plate 18; Chuck plate 18 and the main kettle 11 common chucks 17 that constitute.
The middle and upper part of main kettle 11 is a cylindrical shell, and the bottom of main kettle 11 is the inverted cone housing.The height of the middle and upper part housing of main kettle 11 is 2 meters, and the height of lower case is 1 meter.
The top of overhead guard 12 is the segment housing, and the bottom of overhead guard 12 is a cylindrical shell, and the diameter of the middle and lower part of overhead guard 12 is less than the diameter of the middle and upper part of main kettle 11.Overhead guard 12 is connected on the main kettle 11 from upper fixed, and is positioned at the center of top opening part of main kettle 11.
Vacuumizing mouthpiece 13 has 2, airtight respectively being fixed on the main kettle 11, and be positioned at the corresponding opening part at the top of main kettle 11.Feed valve 14 and bleeder valve 15 are ball valve.Feed valve 14 is airtight being fixedly connected on the overhead guard 12 from the top, and be positioned at the aperture position place of the center of top of overhead guard 12.Bleeder valve 15 is fixedly connected on the main kettle 11 from the below, and is positioned at the aperture position place of the bottom of main kettle 11.Show that mirror 16 is arranged on the middle part of main kettle 11, can observe the situation of taking off low still 1 inside by showing mirror 16.
Fig. 2 and Fig. 3, tubulation preheater 2 are arranged in the cylindrical shell of the overhead guard 12 that takes off low still 1.Tubulation preheater 2 is provided with the rubber passage 21 of up/down perforation.Tubulation preheater 2 comprises preheater hot oil inlet pipe 22, preheater hot oil outlet pipe 23, tubulation 24 and 2 tube sheets.2 tube sheets are called upper tubesheet 25 and lower tubesheet 26 by residing upper-lower position difference.The upper end of each single tube of tubulation is all airtight to be fixedly connected on the plate body at a corresponding pore place of upper tubesheet 25, the lower end of each single tube of tubulation is all airtight to be fixedly connected on the plate body at a corresponding pore place of lower tubesheet 26, and upper tubesheet 25 and lower tubesheet 26 be airtight to be fixedly connected on the inwall of cylindrical shell of overhead guard 12.The aperture position of preheater hot oil inlet pipe 22 bottom of the airtight cylindrical shell that is fixed on overhead guard 12 from the outside be positioned at the top of lower tubesheet 26, and preheater hot oil inlet pipe 22 communicates with the inner chamber of overhead guard 12.The aperture position on preheater hot oil outlet pipe 23 top of the airtight cylindrical shell that is fixed on overhead guard 12 from the outside be positioned at the below of upper tubesheet 25, and preheater hot oil outlet pipe 23 communicates with the inner chamber of overhead guard 12.The inner chamber of tubulation 24 each single tube is rubber passage 21.
Chuck 17 is enclosed in by chuck plate 18 on the lateral outer of middle and upper part housing of main kettle 11, and be fixedly connected on the outer wall of main kettle 11, thereby between main kettle 11 and chuck plate 18, form an air casing and constitute by the plate end of the inside bending of its upper and lower ends.The bottom, side of chuck 17 is provided with hot oil inlet pipe 17-1, and the top, side of chuck 17 is provided with hot oil outlet pipe 17-2.
The rubber of present embodiment removes low molecular device in use, and gelationus rubber material enters by feed valve 14 in the overhead guard 12 that takes off low still 1, the rubber passage 21 of the tubulation preheater 2 of flowing through.Deep fat enters the tubulation preheater 2 from preheater hot oil inlet pipe 22, flows out from preheater hot oil outlet pipe 23 again, and constantly circulation, thus the rubber material in the tubulation preheater 2 is carried out preheating.The rubber streams forms collodion silk and falls into the main kettle 11 that takes off low still 1 through the through hole 31 of card 3 subsequently.Deep fat enters the chuck 17 from the hot oil inlet pipe 17-1 of chuck 17, and the hot oil outlet pipe 17-2 from chuck 17 flows out again, constantly circulation, thus the collodion silk in the main kettle 11 is heated.Low-molecular-weight line style methylvinyl-polysiloxane is volatilized because of being heated becomes gas, makes collodion silk remove low molecule in the main kettle 11 that vacuumizes, and finally discharges from bleeder valve 15.
Claims (5)
1. a rubber removes low molecular device, it is characterized in that: comprise and take off low still (1), tubulation preheater (2) and card (3);
Take off that low still (1) comprises main kettle (11), overhead guard (12), vacuumizes mouthpiece (13), feed valve (14), bleeder valve (15) and chuck plate (18); Chuck plate (18) and the common chuck (17) that constitutes of main kettle (11); The middle and upper part of main kettle (11) is a cylindrical shell, and the bottom of main kettle (11) is the inverted cone housing; The top of overhead guard (12) is the segment housing, and the bottom of overhead guard (12) is a cylindrical shell; The diameter of the middle and lower part of overhead guard (12) is less than the diameter of the middle and upper part of main kettle (11); Overhead guard (12) is connected on the main kettle (11) from upper fixed, and is positioned at the center of top opening part of main kettle (11); Vacuumizing mouthpiece (13) has 2, airtight respectively being fixed on the main kettle (11), and be positioned at the corresponding opening part at the top of main kettle (11); Feed valve (14) is airtight being fixedly connected on the overhead guard (12) from the top, and be positioned at the aperture position place of the center of top of overhead guard (12); Bleeder valve (15) is fixedly connected on the main kettle 11 from the below, and is positioned at the aperture position place of the bottom of main kettle (11);
Tubulation preheater (2) is arranged in the cylindrical shell of the overhead guard (12) that takes off low still (1); Tubulation preheater (2) is provided with the rubber passage (21) of up/down perforation;
Card (3) is arranged in the cylindrical shell of the overhead guard (12) that takes off low still (1), and is positioned at the below of tubulation preheater (2); Card (3) is gone up the tiny through hole (31) of the upward and downward that gathers; The top of each through hole (31) is reverse frustoconic, and the bottom is cylindrical.
2. remove low molecular device according to the described a kind of rubber of claim 1, it is characterized in that: the described low still (1) that takes off also comprises and shows mirror (16); Show that mirror (16) is arranged on the middle part of main kettle (11).
3. remove low molecular device according to the described rubber of claim 1, it is characterized in that: described tubulation preheater (2) comprises preheater hot oil inlet pipe (22), preheater hot oil outlet pipe (23), tubulation (24) and 2 tube sheets; 2 tube sheets are called upper tubesheet (25) and lower tubesheet (26) by residing upper-lower position difference; The upper end of each single tube of tubulation is all airtight to be fixedly connected on the plate body at a corresponding pore place of upper tubesheet (25), the lower end of each single tube of tubulation is all airtight to be fixedly connected on the plate body at a corresponding pore place of lower tubesheet (26), and upper tubesheet (25) and lower tubesheet (26) be airtight to be fixedly connected on the inwall of cylindrical shell of overhead guard (12); The aperture position of preheater hot oil inlet pipe (22) bottom of the airtight cylindrical shell that is fixed on overhead guard (12) from the outside be positioned at the top of lower tubesheet (26), and preheater hot oil inlet pipe (22) communicates with the inner chamber of overhead guard (12); The aperture position on preheater hot oil outlet pipe (23) top of the airtight cylindrical shell that is fixed on overhead guard (12) from the outside be positioned at the below of upper tubesheet (25), and preheater hot oil outlet pipe (23) communicates with the inner chamber of overhead guard (12); The inner chamber of each single tube of tubulation (24) is rubber passage (21).
4. remove low molecular device according to the described a kind of rubber of claim 1, it is characterized in that: described chuck (17) is enclosed in by chuck plate (18) on the lateral outer of middle and upper part housing of main kettle (11), and be fixedly connected on the outer wall of main kettle (11), thereby between main kettle (11) and chuck plate, form an air casing and constitute by the plate end of the inside bending of its upper and lower ends; The bottom, side of chuck (17) is provided with hot oil inlet pipe (17-1), and the top, side of chuck (17) is provided with hot oil outlet pipe (17-2).
5. remove low molecular device according to the described a kind of rubber of claim 1, it is characterized in that: the aperture of the bottom of the through hole (31) of described card (3) is 0.8 to 1.5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200346251U CN202007211U (en) | 2011-02-08 | 2011-02-08 | Raw rubber low molecule removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200346251U CN202007211U (en) | 2011-02-08 | 2011-02-08 | Raw rubber low molecule removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202007211U true CN202007211U (en) | 2011-10-12 |
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ID=44748868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200346251U Expired - Fee Related CN202007211U (en) | 2011-02-08 | 2011-02-08 | Raw rubber low molecule removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202007211U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087322A (en) * | 2013-02-02 | 2013-05-08 | 山东省科学院新材料研究所 | Device for removing micro-molecules in polysiloxane and method thereof |
| CN105273191A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Continuous production structure of low-volatility raw rubber |
| CN109265685A (en) * | 2018-11-15 | 2019-01-25 | 湖北兴瑞硅材料有限公司 | A kind of methyl vinyl silicone rubber takes off low molecule device and takes off low technique |
-
2011
- 2011-02-08 CN CN2011200346251U patent/CN202007211U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087322A (en) * | 2013-02-02 | 2013-05-08 | 山东省科学院新材料研究所 | Device for removing micro-molecules in polysiloxane and method thereof |
| CN103087322B (en) * | 2013-02-02 | 2015-01-07 | 山东省科学院新材料研究所 | Device for removing micro-molecules in polysiloxane and method thereof |
| CN105273191A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Continuous production structure of low-volatility raw rubber |
| CN109265685A (en) * | 2018-11-15 | 2019-01-25 | 湖北兴瑞硅材料有限公司 | A kind of methyl vinyl silicone rubber takes off low molecule device and takes off low technique |
| CN109265685B (en) * | 2018-11-15 | 2023-11-10 | 湖北兴瑞硅材料有限公司 | Methyl vinyl silicone rubber low molecular weight removing device and low molecular weight removing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20180208 |